/**
 * @Author Stringzhua
 * @Date 2024/1/12 21:58
 * description:
 */
// Press Shift twice to open the Search Everywhere dialog and type `show whitespaces`,
// then press Enter. You can now see whitespace characters in your code.
public class var01{
    public static void main(String[] args) {
       //声明变量
        int a;
        a=100;
        System.out.println(a);
        //还可以这样使用
        int b=800;
        System.out.println(b);
    }
}